10102101202 has 4 divisors (see below), whose sum is σ = 15153151806. Its totient is φ = 5051050600.

The previous prime is 10102101197. The next prime is 10102101209. The reversal of 10102101202 is 20210120101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20210120101 = 1427 ⋅14162663.

It can be written as a sum of positive squares in only one way, i.e., 9987803721 + 114297481 = 99939^2 + 10691^2 .

It is not an unprimeable number, because it can be changed into a prime (10102101209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525525299 + ... + 2525525302.

Almost surely, 2^10102101202 is an apocalyptic number.

10102101202 is a deficient number, since it is larger than the sum of its proper divisors (5051050604).

10102101202 is an equidigital number, since it uses as much as digits as its factorization.

10102101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051050603.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10102101202 its reverse (20210120101), we get a palindrome (30312221303).

The spelling of 10102101202 in words is "ten billion, one hundred two million, one hundred one thousand, two hundred two".